Area of composite rectilinear shapes | Maths | Quizalize & Oak National Academy

Starter quiz

What is the length of the line marked $b$ ?
- '80 mm' ✓
A composite ______ shape is made from rectangles.
- 'rectilinear' ✓
What is the length of the side marked $a$ in the diagram?
- '2 cm' ✓
What is the length of the side marked $b$ in the diagram?
- '4 cm' ✓
Calculate the area of the rectangle (you do not need to state the units).
- '19.98' ✓
Calculate the area of the rectangle with a base of 11 m and a height of 7 m (you do not need to write the units).
- '77' ✓

Calculate the area of this compound rectilinear shape (you do not need to state the units).
- '60' ✓
Calculate the area of this compound rectilinear shape (you do not need to state the units).
- '44' ✓
Calculate the area of this compound rectilinear shape (you do not need to state the units).
- '87' ✓
Calculate the area of this compound rectilinear shape (you do not need to state the units).
- '180' ✓
Determine whether you can calculate the area of this shape given the information provided in the diagram.
- There is enough information.
- There is not enough information. ✓
Calculate the area of this compound rectilinear shape (you do not need to state the units).
- '132' ✓

Breaking the shape into rectangles is always the best approach.

There is not always enough information to use that method so flexible thinking is required.

Composite rectilinear shape - A composite rectilinear shape is a composite shape made from rectangles.